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. 2021 Aug;20(8):2515-2518.
doi: 10.1111/jocd.13912. Epub 2021 Jan 1.

A combination of 1064 nm Q-switched fractional ND-YAG laser with a nonfractional microsecond pulsed technology has a synergistic effect for nonablative facial rejuvenation

Lehavit Akerman  1 , Moshe Lapidoth  1   2 , Assi Levi  1   2 , Eran Sharon  1   3 , Daniel Hilewitz  1 , Efrat Solomon-Cohen  1   2
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A combination of 1064 nm Q-switched fractional ND-YAG laser with a nonfractional microsecond pulsed technology has a synergistic effect for nonablative facial rejuvenation

Lehavit Akerman et al. J Cosmet Dermatol. 2021 Aug.

Abstract

Background: Non-ablative fractionated lasers for facial rejuvenation are increasingly preferred over ablative lasers due to their minimal downtime and fewer adverse events. The synergistic effect of the Q-switched fractional (QSF) 1064-nm neodymium-doped yttrium aluminum garnet (Nd:YAG) laser, in combination with the non-fractional microsecond pulsed technology has yet to be fully evaluated.

Aim: Our objective was to determine the safety and efficacy of this combination treatment for skin rejuvenation.

Methods: Patients who underwent treatment using the QSF-Nd:YAG laser, followed by the non-fractional microsecond pulsed Nd:YAG were evaluated retrospectively using a novel 3D imaging modality for degree of facial erythema, wrinkles surface area, and wrinkle depth. Pain perception, adverse effects, and patient satisfaction were assessed at the 2-month post-treatment follow-up visit, graded on a scale of 1- 5 (1 = not satisfied, 5 = very satisfied).

Results: Ten female patients' ages 44-67 (mean 55 years) completed both treatment and follow-up period, with an overall mild improvement in facial erythema and wrinkle surface area (mean improvement of 18% and 19.5% accordingly), as well as a mild improvement in overall wrinkle depth. Pain and adverse effects were mild and transient. Patients' satisfaction was high.

Conclusion: The combination of the QSF-Nd:YAG laser and non-fractional microsecond pulsed technology, using a single Nd:YAG 1064 nm laser platform, was found safe and effective as a non-ablative modality for facial rejuvenation, as demonstrated by a novel 3D imaging modality.

Keywords: Nd:YAG; skin rejuvenation; facial erythema; fractional laser; wrinkles.

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